IN PICTURES: World stands in solidarity with Brussels as city mourns

As the city of Brussels reels following deadly explosions at Zaventem Airport and Maalbeek station, people around the world have demonstrated solidarity.Monuments across the globe have been lit in Belgium's national colours, while local people have gathered at the Place de la Bourse in Brussels to mourn. Pictured (from top left) are the Brandenburg Gate
in Berlin, the Eiffel Tower in Paris, the town council building in Belgrade,
the Trevi Fountain in Rome, the Royal Palace at Dam Square in Amsterdam and
Rome's Campidoglio. Click through for more photos of tributes from around the world.

Monuments across the globe have been lit in Belgium's national colours, while local people have gathered at the Place de la Bourse in Brussels to mourn.

Pictured (from top left) are the Brandenburg Gate
in Berlin, the Eiffel Tower in Paris, the town council building in Belgrade,
the Trevi Fountain in Rome, the Royal Palace at Dam Square in Amsterdam and
Rome's Campidoglio.

Click through for more photos of tributes from around the world.

Hundreds of chalk tributes have been written in front of Brussel's Place de la Bourse. (Twitter)

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Hundreds of chalk tributes have been written in front of Brussel's Place de la Bourse. (Twitter)

Members of the public have gathered at the Place de la Bourse in Brussels to leave messages and tributes. (AFP)

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Members of the public have gathered at the Place de la Bourse in Brussels to leave messages and tributes. (AFP)

The attacks have been condemned as "blind, violent and cowardly" by Belgian Prime Minister Charles Michel. (AAP)

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The attacks have been condemned as "blind, violent and cowardly" by Belgian Prime Minister Charles Michel. (AAP)

Messages and tributes left by members of the public at the Place de la Bourse, Brussels. (AAP)

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Messages and tributes left by members of the public at the Place de la Bourse, Brussels. (AAP)

US President
Barack Obama, first lady Michelle and daughters Sasha and Malia stand with
Cuba's President Raul Castro during a moment of silence for the Brussels
attacks victims at a baseball game in Havana. World leaders have paid tribute to the victims and reacted to the deadly bombings. (AFP)

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US President Barack Obama, first lady Michelle and daughters Sasha and Malia stand with Cuba's President Raul Castro during a moment of silence for the Brussels attacks victims at a baseball game in Havana.